MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b
SHA3-384 hash: bfc58322175104601cba5db6a4fd12b4b71bf31de8ea48f1113845489a861e472ec3af80a42cd926ca4e123234cf8e57
SHA1 hash: 8302829460bd92e648375f0423eda2aea63577e8
MD5 hash: 3f86ffdbdaa69708bf989c5067102721
humanhash: fix-pip-angel-oregon
File name:3f86ffdbdaa69708bf989c5067102721.exe
Download: download sample
Signature Formbook
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File size:657'920 bytes
First seen:2022-05-30 04:20:15 UTC
Last seen:2022-05-30 04:44:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:k+tAnm2B+MwpDIiXcYAUkD6rwpneia9bBxY6egidtubHoBe:htAdwliYAMsehvYZebHoBe
TLSH T167E4F184E357FC77F16821B3756090186B642A1ED0D1D1BA9EDCB08E70D3B8A1DF6E4A
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f86ffdbdaa69708bf989c5067102721.exe
Verdict:
Malicious activity
Analysis date:
2022-05-30 04:32:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/37dc518f-cde7-4d9d-876d-0fb02572825d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/275330/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.38846.856.18479.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629446356eb3ff32633eb2b3/reports/c68c1a52-1f69-4fef-a94f-87e0fc5e0745/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d92334e-18bf-4c53-b005-69f351b48ec5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003395
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635892 Sample: 4z1Foi78pC.exe Startdate: 30/05/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 8 other signatures 2->40 10 4z1Foi78pC.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\4z1Foi78pC.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 4z1Foi78pC.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.unogps.online 185.215.4.59, 49758, 80 TVHORADADAES Denmark 17->30 32 www.prvmagapromo.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses ipconfig to lookup or modify the Windows network settings 17->44 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd or bat file 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2022-05-30 04:21:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z3a6gr234sanz3d3rb7n7kztrhnitruwzgp4tgjhnaxtxsm6ecfq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:e63z rat spyware stealer trojan
Link:
https://tria.ge/reports/220530-eynvsshghr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0ffc3a887eb8ede09eb9a2e2c785bf31373d46649e24d84a362bd9b145cba6c0
MD5 hash:
59dffdfca42bc5e89f2fa2bea4655075
SHA1 hash:
d165c575d025f27bbd617acee66d3023da68e6b2
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/fcb24c13-c148-476b-93f0-48c56157839d/
Parent samples :
98b28d84bb0b1479d10646a5d34d02f9e25718adc285634fb11d407188089e1d
3d4f0f70fc18a3b464a938ffb32fb693329993738991b2fa2e2f1a3faf84e7b8
6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e
cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b
09c88bcf7ebad851bf96be9d453e25447ce6136b25ccc69f908c436f3e3cfed0
bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf
01b796e6344f0aed01a755666640702444b02776a00bba9797d208730f948ac8
SH256 hash:
e21a91648db0151770a39c3ca8b8f102d83567bd6f31fc2b40593aaf9c53eb77
MD5 hash:
3ae7d22b55a294768951efc949608304
SHA1 hash:
fed02c938c360ef858be0804c38aeec49dcbd552
Link:
https://www.unpac.me/results/fcb24c13-c148-476b-93f0-48c56157839d/
SH256 hash:
6399d910d1e4e47d96fe8480e8f69a14947ba97be8c28759e06f9fd23633c4fc
MD5 hash:
96fbd7eeefcf22905c1a0f1374355598
SHA1 hash:
6d8cc8d1ae28c780d88ab211f8cb1825a9e402fd
Link:
https://www.unpac.me/results/fcb24c13-c148-476b-93f0-48c56157839d/
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
Link:
https://www.unpac.me/results/fcb24c13-c148-476b-93f0-48c56157839d/
SH256 hash:
cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b
MD5 hash:
3f86ffdbdaa69708bf989c5067102721
SHA1 hash:
8302829460bd92e648375f0423eda2aea63577e8
Link:
https://www.unpac.me/results/fcb24c13-c148-476b-93f0-48c56157839d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cec1e3475be4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2210854/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/275330/

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